Terraforming Mars: Prelude
2018
Make the early choices that set the course for Mars's future.
120
minutes
Medium
View expansion
Board Game Expansions
175 results
Terraforming Mars: Hellas & Elysium
2017
Explore two new Martian regions with fresh milestones, awards, and placement bonuses.
120
minutes
Medium
View expansion
A Feast for Odin: The Norwegians
2018
Expand your Viking strategy with new actions, puzzles, islands, and buildings.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Colonies
2018
Expand beyond Mars with colonies, trade fleets, new cards, and corporations.
120
minutes
Medium
View expansion
Underwater Cities: New Discoveries
2019
Discover new strategies beneath the sea with fresh cards, assistants, and variants.
180
minutes
Medium Heavy
View expansion
Terraforming Mars: Venus Next
2017
Build flying cities and open new paths to victory on Venus.
120
minutes
Medium
View expansion
Power Grid: Benelux/Central Europe
2006
Two regional maps reshape Power Grid with distinct energy landscapes.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Big Box
2021
Store every release and add striking 3D terrain to your table.
120
minutes
Medium
View expansion
Power Grid: China/Korea
2008
Explore two distinctive maps with separate Korean markets and China's planned economy.
120
minutes
Medium Heavy
View expansion
Power Grid: The New Power Plants – Set 1
2007
Refresh Power Grid with a complete deck of distinctive green-bordered plants.
120
minutes
Medium
View expansion
Power Grid: France/Italy
2005
Explore France and Italy through two maps with distinct power landscapes.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Turmoil
2019
Shape Martian politics, manage global events, and steer humanity’s future.
150
minutes
Medium Heavy
View expansion
Barrage: The Leeghwater Project
2019
Expand your water-management strategy with powerful new construction options.
120
minutes
Heavy
View expansion
Russian Railroads: German Railroads
2015
Expand your railway empire with new routes, coal, and solo challenges.
120
minutes
Medium Heavy
View expansion
Food Chain Magnate: The Ketchup Mechanism & Other Ideas
2019
Add ketchup, coffee, new districts, and bold strategic choices to your restaurant empire.
240
minutes
Heavy
View expansion
Terraforming Mars: Prelude 2
2024
Add cross-expansion effects, ongoing preludes, and fresh tableau projects.
120
minutes
Medium
View expansion
Fields of Arle: Tea & Trade
2017
Energize farm work with tea, trading, fishing, and a third player.
150
minutes
Medium Heavy
View expansion
Power Grid: Brazil/Spain & Portugal
2009
Two maps, two sharply different energy landscapes, one high-stakes Power Grid expansion.
120
minutes
Medium
View expansion
Power Grid: Russia & Japan
2010
Two maps, two distinct challenges for Power Grid players.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Penguins Promo Card
2017
Add penguins to an ocean-rich game and score 1 VP per animal.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Small Asteroid Promo Card
2016
Redirect a small asteroid to raise temperatures—and disrupt plantations.
120
minutes
Medium Heavy
View expansion
Le Havre: Le Grand Hameau
2010
Add 30 official Special Buildings and corrected cards to Le Havre.
150
minutes
Medium Heavy
View expansion
Power Grid: Northern Europe/United Kingdom & Ireland
2012
Two maps, twelve exclusive plants, and distinct energy challenges
120
minutes
Medium
View expansion
Terraforming Mars: Snow Algae Promo Card
2017
A frosty automated project that turns Martian snow into growth and warmth.
120
minutes
Medium
View expansion
Terraforming Mars: Self-Replicating Robots Promo Card
2017
A blue promo card that turns resources into repeatable card discounts
90
minutes
Medium Heavy
View expansion
Fantastic Factories: Manufactions
2021
Expand your factory with new blueprints, contractors, resources, and powers.
60
minutes
Medium
View expansion
Terraforming Mars: BGG User-Created Corporation Pack
2018
Three contest-winning corporations created by the BGG community
120
minutes
Medium Heavy
View expansion
Russian Railroads: American Railroads
2016
Expand Russian Railroads with new player boards and fresh elements.
120
minutes
Medium Heavy
View expansion
Nucleum: Australia
2024
Harness shipping lanes, build coal mines, and power Australia's revolution.
150
minutes
Heavy
View expansion
Power Grid: Australia & Indian Subcontinent
2013
Two maps, two fresh challenges: scattered networks, uranium, outages, and scarcity.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Turmoil Promos
2019
A 2019 promo collection expanding Terraforming Mars: Turmoil
120
minutes
Medium Heavy
View expansion
The Manhattan Project: Nations Expansion
2012
Choose a nation and bring its unique ability to the race to build the bomb.
120
minutes
Medium
View expansion
Smartphone Inc.: Update 1.1
2020
Expand the smartphone industry with new modules, CEOs, and Hardcore Mode.
90
minutes
Medium
View expansion
Terraforming Mars: Automa
2024
Compete against algorithm-driven corporations in a flexible solo challenge.
Medium Heavy
View expansion
Power Grid: The Robots
2011
Add a strong robot opponent and fresh variety to every game.
120
minutes
Medium
View expansion
Terraforming Mars: Big Box Promos
2021
Add 20 new cards and three tile-dependent replacements to Terraforming Mars.
120
minutes
Medium
View expansion
A Feast for Odin: Mini Expansion #2
2019
Fresh islands, harvest twists, and new resources for every Viking table.
120
minutes
Medium Heavy
View expansion
Power Grid: Québec/Baden-Württemberg
2012
Two regional maps bring distinct energy rules and network challenges to Power Grid.
120
minutes
Medium Heavy
View expansion
Underwater Cities: Biodome Promo
2018
Race to connect three cities and unlock a kelp-free biodome.
150
minutes
Medium
View expansion
Furnace: Interbellum
2022
Bring Art Deco industry and new strategic possibilities to Furnace.
60
minutes
Medium
View expansion
Kanban EV: Upgrade Pack
2021
Add persistent abilities and seven special garage tiles to your game.
180
minutes
Medium Heavy
View expansion
The Manhattan Project: Second Stage
2013
Four modular expansions add nations, rockets, H-Bombs, and personalities.
120
minutes
Medium
View expansion
Barrage: The Nile Affair Expansion
2022
A Nile-themed map introduces Irrigation to Barrage
120
minutes
Heavy
View expansion
Russian Railroads: Mini-Expansion
2014
Expand your Russian Railroads collection with engineers, factories, locomotives, and bonuses.
90
minutes
Medium Heavy
View expansion
Barrage: Duel
2024
A focused two-player challenge with changing costs and competitive objectives.
120
minutes
Medium Heavy
View expansion
Galactic Cruise: Accommodations
2025
Elevate every journey with specialized ship segments and powerful starting upgrades.
150
minutes
Heavy
View expansion
Power Grid: BGG Promo Card Set
2011
Seven promotional cards, including the electricity-hungry Theme Park.
120
minutes
Medium Heavy
View expansion
Power Grid: Flux Generator
2008
A powerful promo card that turns any three resources into six powered cities.
120
minutes
Medium
View expansion
High Frontier 4 All: Module 1 – Terawatt & Futures
2020
Add powerful thrusters, cargo transport, and optional goals to your spacefaring game.
240
minutes
Heavy
View expansion
Galactic Cruise: Advancements
2025
Upgrade technologies, develop locations, and build smarter shuttle segments.
150
minutes
Medium Heavy
View expansion
A Feast for Odin: New Special Tiles
2017
A compact 2017 mini expansion featuring new special tiles.
120
minutes
Medium
View expansion
High Frontier 4 All: Module 2 – Colonization
2020
Expand into orbital colonies and send pioneers to perform extra Operations.
240
minutes
Heavy
View expansion
Underwater Cities: Data Era
2025
Add data discs, data centers, and information cities to your underwater strategy.
150
minutes
Medium Heavy
View expansion
Anno 1800: Die Erweiterung
2024
Expand your industrial empire with innovations, airships, patents, and new strategies.
120
minutes
Medium Heavy
View expansion
Power Grid: Transformer Station
2009
Connect a power plant and supply one additional city.
120
minutes
Medium
View expansion
Barrage: 5th Player Expansion
2020
Bring a fifth player to Barrage with new rules, components, and contracts.
120
minutes
Heavy
View expansion
Tesla vs. Edison: Powering Up!
2016
Expand the War of Currents with headquarters, historical events, and solo play.
120
minutes
Medium Heavy
View expansion
Mille Fiori: The Masterpieces
2023
Extend your voyage, gather masterpieces, and shape the city's future.
90
minutes
Medium
View expansion
Nucleum: Court of Progress
2024
Enter the halls of power and shape the nuclear revolution.
150
minutes
Medium Heavy
View expansion
Barrage: The Colorado Connection
2024
Build bridges across Colorado’s canyons and weigh every dam upgrade.
120
minutes
Heavy
View expansion
Roads & Boats: &Cetera
2003
A substantial expansion with 20 scenarios, planes, cities, and new rules
240
minutes
Heavy
View expansion
Age of Industry Expansion #1: Japan and Minnesota
2011
Two double-sided maps that bring fresh twists to Age of Industry
120
minutes
Medium Heavy
View expansion
Fantastic Factories: Subterfuge
2021
Hire contractors, steal valuable assets, and sabotage opposing factories.
60
minutes
Medium
View expansion
High Frontier Expansion
2010
Take space exploration farther with new worlds, technologies, and scenarios.
180
minutes
Heavy
View expansion
Nucleum: Energy Research Institute
2025
Expand your uranium-era ambitions with new Experiments and powerful Patrons.
150
minutes
Heavy
View expansion
Terraforming Mars: Asteroid Rights Promo Card
2021
A strategic promo card that turns asteroids into production or titanium
120
minutes
Medium Heavy
View expansion
Le Havre Expansion: Essen Promo Cards
2008
A 12-card Special Building promo pack for Le Havre
150
minutes
Medium
View expansion
Terraforming Mars: Prelude 2 Kickstarter Promo Pack
2024
Add 20 Kickstarter promo cards to your Terraforming Mars collection.
120
minutes
Medium Heavy
View expansion
Power Grid: Middle East/South Africa
2019
Two expansion maps where regional energy supplies reshape the game.
120
minutes
Medium Heavy
View expansion
Heaven & Ale: Kegs & More
2019
Expand your monastery's brewing challenge with barrels, hay, and deliveries.
Medium Heavy
View expansion
High Frontier Colonization
2013
Explore expanded space infrastructure and pursue new paths to victory.
180
minutes
Heavy
View expansion
Terraforming Mars: Lunar Exports Promo Card
2018
Choose a major boost: plant production or MegaCredit production.
120
minutes
Medium Heavy
View expansion
Power Grid: Warehouse
2010
Store resources and reshape the market with three powerful promo cards.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Jovian Lanterns Promo Card
2018
Add floaters by spending titanium with this Terraforming Mars promo card.
120
minutes
Medium Heavy
View expansion
Power Grid: Theme Park
2011
A promotional Power Grid card auctioned as soon as it appears
120
minutes
Medium
View expansion
Terraforming Mars: Atmo Collectors Promo Card
2018
Store floaters and convert them into titanium, energy, or heat.
120
minutes
Medium Heavy
View expansion
City of the Big Shoulders: Burden of Destiny
2019
Expand your Chicago empire with five distinctive new companies and upgraded components.
180
minutes
Medium Heavy
View expansion
Container: The Second Shipment
2008
Mix and match four expansions to reshape Container's global marketplace.
90
minutes
Medium Heavy
View expansion
Pipeline: Emerging Markets
2021
Expand your business into demanding new markets and adapt to a changing era.
Medium Heavy
View expansion
Terraforming Mars: Bio Printing Facility Promo Card
2021
A flexible promo card that converts energy into plants or animal support.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Bactoviral Research Promo Card
2021
Draw a card, then add microbes based on your science tags.
120
minutes
Medium Heavy
View expansion
Age of Industry Expansion: Great Lakes & South Africa
2013
Two historical maps reshape industrial development across North America and South Africa.
120
minutes
Medium Heavy
View expansion
Power Grid: The Stock Companies
2015
Three share-driven ways to reimagine the Power Grid experience
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Harvest Promo Card
2021
A red promo card requiring 3 greenery tiles to gain 12 M€.
180
minutes
Medium Heavy
View expansion
Power Grid: Supply Contract
2011
A promotional card that permanently shifts you one step back in player order.
120
minutes
Medium Heavy
View expansion
The Manhattan Project: Energy Empire – Cold War
2022
Expand the atomic age with modular Cold War strategy and solo play.
120
minutes
Medium Heavy
View expansion
Nippon: Keiretsu
2018
Twelve new factories open fresh strategic paths in industrial Japan.
120
minutes
Medium Heavy
View expansion
High Frontier 4 All: Module 4 – Exodus
2023
Auction contracts, augment Colonists, and launch a desperate starshot
240
minutes
Heavy
View expansion
Nucleum: Nucleum Half Tiles Promo
2023
Add flexible Action Fragments and Contract spaces to your Nucleum game.
150
minutes
View expansion
Fields of Arle: Advent Calendar Expansion
2015
Bring East Frisian industry to the table with two buildings and a vehicle.
120
minutes
Medium Heavy
View expansion
Nucleum: Patrons Set
2024
Give every Experiment a face, occupation, and memorable identity.
150
minutes
Medium
View expansion
Compounded: Chemical Chaos
2013
Add 14 new Compounds and a Lab Fire for more strategic chaos.
90
minutes
Medium
View expansion
Age of Industry Expansion: Belgium & USSR
2013
Two historical maps for industrial development in Belgium and the USSR
120
minutes
Medium Heavy
View expansion
Atolla Modulis (fan expansion for Funkenschlag)
2006
A free modular expansion offering thousands of possible game combinations.
120
minutes
Medium Heavy
View expansion
Terraforming Mars: Merger Promo Card
2022
Add a second Corporation with this 2022 Prelude promo card.
120
minutes
Medium Heavy
View expansion
Power Grid: The New Power Plants – Set 2
2021
A fresh set of power plants for unpredictable Power Grid sessions
120
minutes
Medium Heavy
View expansion
Nucleum: Acrylic Nucleums Promo
2023
Add acrylic markers and surprise bonus tiles to your Nucleum sessions.
150
minutes
View expansion
Terraforming Mars: Corporate Archives Promo Card
2022
A Science-tagged Prelude card offering cards, money, and choice.
180
minutes
Medium Heavy
View expansion
Power Grid: Taxes
2013
A sudden tax bill changes the timing of your Power Grid finances.
120
minutes
Medium Heavy
View expansion
Tiny Epic Western: Kickstarter Deluxe Promo Pack
2016
Four new Boss Cards, two Bullet Dice, and a windowed Wanted Card.
Medium Heavy
View expansion
